_____ hard she tries, she can hardly avoid making mistakes in her homework.
Mike had just finished his lunch and was about to take a break _____ an unexpected visitor came.
The main road _____ for repairs, so we had to change the route to the downtown.
____ the main idea of the text, and you will be able to answer the question.
The car is environmentally friendly because it uses electricity instead of gas. _____, it is less expensive.
She showed me a red silk dress _____ online, which cost her only 10 dollars.